Battler Ushiromiya is a fictional character from the visual novel series Umineko no Naku Koro ni, created by Ryukishi07. He is the protagonist of the story, known for his strong sense of justice and determination to uncover the truth behind the mysterious events occurring on the isolated Rokkenjima island. As a member of the wealthy Ushiromiya family, Battler is drawn into a deadly game involving magic and murder during a family reunion. Throughout the series, he challenges the supernatural elements presented by the antagonist, Beatrice, while seeking to solve the complex mysteries surrounding his family's dark history.